Which statement abouttn2x tmh6 l(*v eukaryotic cells is correct?

  Which are common features o5ft)kfrmepq. + vym,q:9tt, 7dxw ek -f bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the blg0kgc;v(u ihy(6 s.image?

  Which statement(s) about the endosymbiotict/3kt* .u( e6nzlnh qv theory is true?
I.
It provides evidence for the origin of prokaryotes.
II.
It provides evidence for the origin of eukaryotes.
III.
It provides evidence for spontaneous generation.

  What provides evidence tha(yhwcj rxqyx1hapz i;:f 5;0 ym0ko64 t all life on Earth evolved from the same population of z5 ra10fj;qw0 cik6phoy (y4x :m;hyxcells?

  These photographs show the same section of a humauv,ydw:l4ktp2 3i2 f yn retina. What is the reason for the diffe2 vdfp :y32k,4it lwyurence between the two diagrams?

  Paramecium produces enzymes bn)zi- 4hrr/jthat catalyse different chemical reactions taking place in the cytoplasm. What function of lifh)i/b 4n- jrzre is demonstrated in this situation?

  What do the two labelled orgaf2 pczgn0;xe0 nelles have in common?

  Which organelle has a double membrane?00ofg*p -i rp:gtdr0bt5 n2hw

  Which row in the table correctly identifies sthe7-:.tgewxs- s57kl)aif b o ructures which are present (✓) or absent (×) in prokaryotic and eukaryotia.f-ie:ws t -7 loxsb57k)h gec cells?

  Which structure found in a eukaryotekw7xa+7m c;u mki23ve has a double membrane?

  
Chlorella contains the molecule chlorophyll which makes it to appear green. What life function is exhibited in this example?

  Which of the following statements are trv7eh brk4qy9 (f(m*cxue about the structure of cells?
I. All cells contain cytoplasm enclosed by the plasma membrane.
II. The microscope was important in understanding the structure of the cell.
III. Prokaryotes do not have genetic material.

  Which of the following is not a function owbu+ . v wisvs;5bti9 3ac+k1sf the Golgi apparatus?

  Which statement(s) about cell structure is/are a*ke5pz ( ee8e2 qt3tunot true?

I.
Prokaryotic cells have a compartmentalised structure.

II.
Only eukaryotic cells have a Golgi apparatus.

III.
Only eukaryotic cells have membrane-bound organelles.

  The image below is a micrograph of bml4 k -g/jqna4lcair93 6ya:k lood.


1.Identify the part of the cells labelled A and B.
arrow    points to the plasma membrane
arrow    points to the nucleus
2.Outline why blood is classified as a tissue.

3.State where the stem cells needed to produce red blood cells are located.it is      .

4.Progenitor cells are produced by dividing stem cells. These cells will eventually differentiate even further. Blood cells have a common progenitor cell. Describe the process that happens to these progenitor cells.

  The micrograph below shows E. coli 2* b/7d wb7 u;kylkgwhcells.


1.Identify the structure labelled I in the micrograph.

2.If the magnification of the image is x36,000 and the length of cell II in the image is 54 mm, calculate the actual length of cell II in micrometres (µm).The number=  µm.

3.State one feature, other than the structure labelled I, that can be used to identify the cells in this micrograph as prokaryotic cells.

  Which structure is found in both eukaryotic aj ;6p-k qrnxsh/pm2k,nd prokaryotic cells?

  Mesophyll cells are found in plants. Plant cells have unique characterisngj92z1vwgq (oiwv, 2 tics that distinguish them from any other cell tqov,j v2g2gz9w1n i w(ype.

In the micrograph above, one of the cell parts is labelled X. What is the name of this structure?

  The micrograph shows a transverse s zib9p )q3;h uu)n(iayection through a leaf.



1.1.Identify an adaptation of this leaf for its function.

2.2.Identify the cell organelle that is found in particularly high numbers in the palisade mesophyll cells.
it is   .

This micrograph shows a transverse section through a pancreatic acinar cell. Acinar cells are found in the exocrine tissue of the pancreas.


2.1.Explain how the structure of this cell is related to the function of the synthesis of proteins for release from the cell.

2.2.State why an electron microscope is needed to view the ultrastructure of the acinar cells.

  Which row correctly describes the DNA an d.ztrg. 7c:m8ct9l8h kz b+nrd chromosomes of bacterial cells?

  Cyanobacteria are prokaryotes that can perforp l joelnyn( /4y.x quac .2illh.85q(m photosynthesis. Which structural feature is common to both cyanobacteria and plax(l2ocy 4nly .5punj8le qa. lqh/ i(.nt cells?

  Which statement provig*iek u l,*eo+des evidence for the endosymbiotic theory?

  Which part of the cell is labellllct.pzd39q1le0e ,p7oa w4xiyw:c. ed with the letter P?

  What feature of chloroplasts pro4ivs(e0q;4yap/4t *9 ypz lec z1d wldak) 2dgvides evidence for the endosymbiotic theory?

  The micrograph shows an image of a plant cell taken with ac j+shjf-p8c hmj /d,x 0qne0 /(dnx5y light microscope.

1.Calculate the magnification of the image, showing your work.
Magnification=   x

2.Label, with the letter N, a nucleus in the image.

3.The image was taken using a light microscope. State how you deduce this from the image.

4.Draw and label a diagram to show how the same type of plant cell shown in the micrograph would appear when examined with an electron microscope.

5.State two differences that would be seen when looking at an electron micrograph of a bacterium cell compared to this plant cell.

6.At first, the student who took this image could not see the cell when focusing the microscope. Suggest what may have caused this problem.

  The electron micrograph below shows a cell of the b/lum cku*); bx6.n cwcui6 yb5acterium Vibrio cholerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during osmosis.cuw)5kux6cibb /;u *lmy nc6 ?

  Which process is most likely responsible for the oriq:cp :h6 jukeru*/4(lpiw/iwp5.m bigin of mitochondria as a eukaryotic.//r: pk*6chw 5uui pj4elmii:p w( bq cell organelle?

  Which organelle is the site qa9 q o3+q8cobof protein synthesis?

The diagram below shows a cy,)sr6onns, 2 9t cbkvlanobacterium, Synechococcus elongatus.

1.1.State whether the cell shown in the microphotograph is eukaryotic or prokaryotic. Give a reason for your answer.

1.2.State two features found in both eukaryotic and prokaryotic cell structures.

1.3.Identify the type of microscope which was used to produce the microphotograph above. Give a reason for your answer.

1.4.Describe the function of X.

2.Compare and contrast the structure of the Golgi apparatus and rough endoplasmic reticulum.

  1.1.Identify an organelle vik3 ky/im 0dmpvqm+yq.xf d7*j1 6t2zrsible in the figure below whose structure provides evidence for the endosymbiotic theqx 0mfik mk1d .*7qv2zdm3 r/ yt+yjp6ory.
organelle is   



1.2.Label with the letter S an example of the organelle that you named in part (i).

1.3.Describe three features of the organelle named in part (i) that support the endosymbiotic theory.

2.Compare and contrast the structure of a mitochondrion and typical prokaryote.

  Which statements about unicellu9e ((l6b0(t fyrvjrfx44fk xz lar and multicellular organisms are correct?

Below is a diagram ovi u6 *)x qwm+s/twvk/f a motor neuron. Neurons are the longest cells in the humankxt sq6/ uwi*v)mw+v/ body.



1.Explain the factors that limit cell size in humans.

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph showsjy d8 vlv+wdj(hpck, 0 s5f0;h part of an exocrine pancreas cell. Which of t0d ;lhvy d,vkj0c h5s (pj+wf8he labelled structures is responsible for the production of vesicles for exocytosis?

All organisms contain gene5 8z *0hba+zoyzf w1estic material. The type, quantity and location of genetic material differ between kingdomsaz oz yw*h+58f0zs1eb and species.

1.State if the cell shown in the image is a prokaryotic or eukaryotic cell. Give a reason for your answer.



2.Distinguish between prokaryotic and eukaryotic DNA.

3.Outline Cairns' technique for measuring the length of prokaryotic DNA.

  Which statements about chloroplasts and mitochondria support the endosy 6d hq7mbixc89mbiotic theory?9xd7qcm8ih6 b

1.Outline the steps in calculating the mai4hq2n*i 3mr)r cpva.cb.n y+gnification of a micrograph.

2.Describe the steps taken to focus on a specimen using the 40x objective lens of a light microscope.

  The diagram below shows a ceug hgh.4o,(cu ll.


1.1.Deduce with a reason, what type of cell this is.

1.2.Calculate the magnification of the cell.The magnification of the cell=   x.

1.3.Outline two functions of life carried out by the cell in the diagram.

2.1.State the type of microscope used to produce the image.

2.2.Explain your choice of microscope for part (i).

  Palisade mesophyll cells produce and release large amount x,ec )p:pvs0ej3x hyt4ov1f2s of carbohydrates. Whie fjx23p0,vto)xc4vpy1sh e :ch characteristics would you expect to observe in such cells?

The diagram below shows a cell. 3otjsf0-w8a n

1.1.Compare and contrast the structure of a mictochondrion with the structure of the cell shown in the diagram.

1.2.Explain why the cell in the diagram is structurally similar to a mitochondrion.

  Which statement applies to both mitochondvevtlnb4 ;x:.ria and prokaryotes?

  What is the correct magnificationoar7k2)q i*)bek)v lc of this image?

  Which characteristic is not truystd*2ze t nn66j b.yov +lj)b(hg;a7e for both mitochondria and chloroplasts?

  The electron micrograph shows a t eqmog,5yyf tr,2*q8y7rey6prokaryotic cell, Cyclotella litoralis. What is the actual diameter of thoqyg,2 *re qeft,7y8y m65yt re cell in this image?

  The electron micrograph shows an animal c;p a,w0zqv(b8awr )zn4 f,y nbell.

  The electron micrograph shoeswb, ui)is6zy( pk,3 ws a sarcomere, the smallest functional unit of striated muscle tissue. What is the act 6e)ib(yw3,uiskz, spual length between the two Z lines?

  Which organelle is formed by a vesicle derived from o qa/6 r+tx mnrr)3u1pthe cell membrane?

  Which organism contains DNA in exactly two dif4 nqppz 2fm;z+ferent organelles?

1.Outline one way unicellular wu v/*g*xj wxxzc*40vp p0 5qyorganisms can carry out each of nutrition, movemenp5q4zw*wgxj*p 0 /c*0xvu yvxt and excretion.

2.Draw a single mitochondrion, and annotate it to outline the role of four labelled structures.

3.Compare and contrast the structure of E. coli and a palisade mesophyll cell.

  What feature distinguishes fungal hyphae and striated muscle from the two cewq+h lnflep8 v*8h6 n0ll types show0p vw+f8n*8hq nlh6e ln in the images?